Group 1 - The core viewpoint of the news is the performance of the CSI Land Reform Agricultural Theme Index, which has shown significant growth over the past month, three months, and year-to-date [1] - The CSI Land Reform Agricultural Theme Index has increased by 8.68% in the last month, 7.69% in the last three months, and 3.61% year-to-date [1] - The index reflects the overall performance of listed companies benefiting from agricultural land reform, including sectors such as agricultural land transfer, urban industrial land utilization, agricultural machinery, and water-saving irrigation [1] Group 2 - The top ten weighted companies in the CSI Land Reform Agricultural Theme Index include Shibei Gaoxin (9.87%), Luoniushan (8.15%), Jinyu Group (8.07%), and others [1] - The index's holdings are primarily concentrated in the Shenzhen Stock Exchange (59.62%) and the Shanghai Stock Exchange (40.38%) [1] - The industry composition of the index shows that consumer goods account for 37.68%, materials for 22.47%, and industrials for 22.16% [2] Group 3 - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2] - Weight factors are generally fixed until the next scheduled adjustment, with special circumstances allowing for temporary adjustments [2] - Companies that are delisted or undergo mergers, acquisitions, or splits are handled according to specific calculation and maintenance guidelines [2]